Home / 357,851.20-493,829.10-196,702.81

Finding the Fourth Proportional to 357,851.20, 493,829.10 and 196,702.81

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Solution

The fourth proportional to 357,851.20, 493,829.10 and 196,702.81 is: 271,446.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,851.20 : 493,829.10 = 196,702.81 : x
  2. Step 2: Convert to fraction form
    357,851.20/493,829.10 = 196,702.81/x
  3. Step 3: Cross multiply
    357,851.20x = 493,829.10 × 196,702.81
  4. Step 4: Simplify right side
    357,851.20x = 97,137,571,629.77
  5. Step 5: Solve for x
    x = 97,137,571,629.77/357,851.20
  6. Step 6: Final answer
    x = 271,446.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.